Ariobarzanes of Pontus

Ariobarzanes of Pontus (287 BC-250 BC) was King of Pontus from 266 BC to 250 BC, succeeding Mithridates I and preceding Mithridates II.

Biography
Ariobarzanes was born in 287 BC, the son of Mithridates I of Pontus and Massis. He succeeded his father as King of Pontus in 266 BC, and he allied with the Galatian Gauls to expel the Egyptian invasion of Ptolemy II Philadelphus. He died in 250 BC, and he was succeeded by his son Mithridates II of Pontus.